Dr. Ping's Story Links
It's blood, not saliva, that carried the virus because in at least two of the cases the infected mothers had bleeding gums or mouth sores, according to investigators at the U.S. Centers for Disease Control and Prevention.
Dr. Ping's Story Links(via www.foxnews.com) 由 Dr. Ping 于 周三, 2008-02-06 21:54 提交。
It's blood, not saliva, that carried the virus because in at least two of the cases the infected mothers had bleeding gums or mouth sores, according to investigators at the U.S. Centers for Disease Control and Prevention. |